Championship games have champions, and champion t-shirts. But since we don't know who that is until the championship game is over, championship shirts are printed for both teams, so they can be presented to the winning team immediately. It looks good on TV, you know. But what happens to the other shirts -the ones with the losing team's name on them? They used to be incinerated, but that has changed over the years. Read all about it at mental_floss. Link